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A247053 Number of endofunctions on [n] that are the 6th power of an endofunction. 1

%I #18 Jan 24 2019 15:45:45

%S 1,1,3,10,44,295,3136,42784,642104,10246149,173647330

%N Number of endofunctions on [n] that are the 6th power of an endofunction.

%e a(3) = 10: (1,1,1), (1,1,3), (1,2,1), (1,2,2), (1,2,3), (1,3,3), (2,2,2), (2,2,3), (3,2,3), (3,3,3).

%Y Column k=6 of A247026.

%K nonn,more

%O 0,3

%A _Alois P. Heinz_, Sep 10 2014

%E Offset corrected by _Vincenzo Librandi_, Sep 11 2014

%E a(8) from _Alois P. Heinz_, Sep 26 2014

%E a(9)-a(10) from _Bert Dobbelaere_, Jan 24 2019

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Last modified April 26 07:58 EDT 2024. Contains 371991 sequences. (Running on oeis4.)